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avcodec/vc1_block: Use av_clip_uintp2()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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zhaoxiu.zeng 2015-02-25 00:28:45 +08:00 committed by Michael Niedermayer
parent ec908ce427
commit 9914502264
1 changed files with 1 additions and 1 deletions
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libavcodec/vc1_block.c
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@ -930,7 +930,7 @@ static int vc1_decode_intra_block(VC1Context *v, int16_t block[64], int n,
s->bdsp.clear_block(block);
/* XXX: Guard against dumb values of mquant */
mquant = (mquant < 1) ? 0 : ((mquant > 31) ? 31 : mquant);
mquant = av_clip_uintp2(mquant, 5);
/* Set DC scale - y and c use the same */
s->y_dc_scale = s->y_dc_scale_table[mquant];